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U.S. Department of Energy
Office of Scientific and Technical Information

Umbra/penumbra detector

Patent ·
OSTI ID:7067545

A device which monitors the characteristics of an image cast upon a radiation sensitive substrate. This includes a shadow casting object or mask and at least one source of radiation disposed above the object or mask so that the image cast on the substrate can be analyzed. 23 figs.

DOE Contract Number:
AC03-76SF00098
Assignee:
PTO; EDB-94-118334
Patent Number(s):
A; US 4777360
Application Number:
PPN: US 6-933872
OSTI ID:
7067545
Country of Publication:
United States
Language:
English